Top 10 21mm Spark Plug Socket – Spark Plug & Ignition Tools

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1. Powerbuilt

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643010, Powerbuilt 3/8-Inch Drive Metric Spark Plug Socket 21mm

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Powerbuilt #ad - Highly durable. Tool solutions for most all situations. Built to exceed tool standards. 3/8"" dr 18mm spark plug S. Made with precision and quality in mind.
BrandPowerbuilt #ad
ManufacturerAlltrade Tools, LLC #ad
Height5.25 Inches
Length1.13 Inches
Width1.63 Inches
Part Number643010
Model643010

2. Holoras

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16mm 21mm Socket Red, Holoras T-Handle Universal Joint Spark Plug Socket Wrench

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Holoras #ad - This 5/8 spark plug socket gives the user a comfortable working angle for hard to reach places. Flexible head design can be turned around by 360 degree, easy to use and improve efficiency. Rubber grommet inside holds spark plug for easy installation or removal. This spark plug gap tool is made of steel, chrome plated and plastic handle, it has comfortable grip and beautiful appearance. T-handle bar allows larger torque force and high pursuance.
BrandHoloras #ad
ManufacturerHoloras #ad
Part Number9O-365L-2AOR

3. Jetech

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Jetech 13/16 Inch 21mm T-Handle Spark Plug Socket, Heat-Treated Cr-V Alloy Steel, 360-Degree Rotation, Flexible T-Bar Wrench Spanner

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Jetech #ad - Durable cr-v steel - made with cold-forged Cr-V alloy steel, the flexible head is heat-treated for extra strength and durability. Flexible head - 360-degree rotation design enables it to be swiveled to the right angle for different types of cars.

Built-in rubber insert grips the spark plug and achieves damage-free removal. Ergonomic nonslip t-handle - soft plastic-dipped T-handle creates a better, more secure grip and reduces fatigue, which matters especially for your long working hours. Universal hand tool - widely applied to achieve a damage-free removal and easy installation of the spark plug on a car or motorcycle.

Size: 21mm 13/16in. Spring load & rubber insert - high strength spring is heat-treated for better performance, keeping the head fixed. Get better leverage in these confined areas or awkward spaces. Chrome-plated for rust and corrosion resistance. Suitable for most of the models.
BrandJetech #ad
ManufacturerJetech #ad
Height0.39 Inches
Length12.6 Inches
Width3.94 Inches
Part NumberTMPG-21
ModelTMPG-21

4. Ailinda

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Ailinda T-type Universal Joint Spark Plug Handle Socket Wrench 5/8 Inch 16mm/13/16 Inch21mm Installer

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Ailinda #ad - 360-degree rotating flexible head design internal rubber ring design, easy to use, after removing the spark plug, the rubber ring can catch the spark plug, bring out the spark plug, improve efficiency.

T-handle wrench with heat treated offers a firm non-slippery grip, makes spark plug removal/installation a breeze even for people with sweaty palms. Banada universal spark plug socket made of durable chrome vanadium steel, high hardness and anti-slip, can resist rust and corrosion with long use. Suitable models: General type. Durable and easy to use. Spark plug repair kit features a rubber insert to protect your spark plugs during removal/installation and offer 5/8 inch16mm and 13/16 inch 21mmoptions, can fit your car or motorcycle perfectly.
BrandAilinda #ad
ManufacturerAilinda #ad
ModelCMD-002

5. Senzeal

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Senzeal T-handle Universal Joint Spark Plug Socket Wrench 16mm5/8" and 21mm13/16" Remover Installer Tool Kit

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Senzeal #ad - Suitable models: General type. Flexible head design can be turned around by 360 degree, easy to use and improve efficiency. Plastic coated t handle, comfortable grip and beautiful appearance. Come with 16mm and 21mm socket wrench. Durable and easy to use. Material: 45# steel, chrome plated and plastic handle. Internal rubber ring design, the rubber ring can jam the spark plug and bring out the spark plug, after the removal of the spark plug, which is convenient to use and improves efficiency.
BrandSenzeal #ad
ManufacturerSenzeal #ad
Part NumberSZLUS-0754
ModelSZLUS-0754

6. YILE

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Flexible T-Bar Wrench Spanner, YILE 13/16 Inch 16/21mm T-Handle Spark Plug Socket, Joint Spark Plug Socket Wrench, 360-Degree Rotation

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YILE #ad - Easy to use: the rotating head spark plug wrench can quickly and easily replace the spark plug. The universal rotary joint allows the T-handle spark plug wrench to work at all angles, and the insert allows the wrench to hold the spark plug firmly.

T-handle universal spark plug Remover Installer Set 13/16 Inch, which can fit your car perfectly. Design:360-degree rotating flexible head design Internal rubber ring design, bring out the spark plug, the rubber ring can catch the spark plug, easy to use, after removing the spark plug, improve efficiency.

Easy to store: hang it on the tool wall, throw it in the drawer of the toolbox or put it on the table for easy use. Suitable for: fit most of car, general type. High-quality materials: this spark plug socket constructed of durable, with high hardness and anti-slip, heat treated Chrome vanadium steel, can resist rust and corrosion with long use.
BrandYILE #ad
ManufacturerYILE #ad
Part NumberYILE

7. Holoras

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5/8 Inch 16mm and 13/16 Inch 21 mm, Holoras Universal Joint Spark Plug Wrench, T-Handle Socket Wrench Swivel Spark Plug Removal Installer Tool Kit for Motorcycle

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Holoras #ad - The t-handle wrench with heat treated offers a firm non-slippery grip, makes spark plug removal/installation a breeze even for people with sweaty palms.

Holoras spark plug socket set is made of durable Chrome Vanadium Steel, high hardness and anti-slip, can resist rust and corrosion with long use. The 360-degree swivel design allows the wrench to work at all angles, especially proves to be very useful in tight places where movements are restricted. This spark plug tool comes with a universal joints and 2 sockets, fits for 5/8 inch and 13/16 spark plugs can fit your car or motorcycle perfectly. Lightweight and foldable, our spark plug wrench could be easily stored in garage or car boot and be quickly spotted from its bright red handle.
BrandHoloras #ad
ManufacturerHoloras #ad
Part Numberus-hous069

8. Motion Pro

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Motion Pro Pro Plug Socket 21mm

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Motion Pro #ad - Motion pro tools are designed to be simple to use, yet durable enough to withstand the harshest conditions. One of their goals is to offer tools of convenience. Motion pro is dedicated to producing the most versatile, unique and durable products for professional and home use. Do it right the first time with motion pro tools. Fits 16 mm 5/8", 18 mm 11/16", or 21 mm 13/16" spark plugs. Ultra-strong tool steel construction. Slim skeleton profile. Use with a 3/8" square drive or 17 mm wrench. Innovative internal plug retention sy.
BrandMotion Pro #ad
ManufacturerMotion Pro #ad
Part Number08-0653
Model08-0653

9. Hetai

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Hetai T-handle Universal Joint Spark Plug Remover Installer Set 5/8" & 13/16" 16-21 Mm

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Hetai #ad - Life time warranty:if for any reason you don't absolutely adore this spark plug removal tool, just send it back our way for a full refund! Spark plug repair kit insert rubber within sockets for spark plug insulator protection.

This spark plug socket constructed of durable, heat treated Chrome vanadium steel, which can provide years of reliable use. Fit most of car:t-handle universal spark plug Remover Installer Set offer 5/8" and 13/16" options, which can fit your car perfectly. Swivel head spark plug wrench replaces spark plugs quickly and easily. The universal swivel joint allows the t-handle spark plug wrench to work at all angles, and the insert lets the wrench keep a strong grip on the spark plug.
BrandHetai #ad
ManufacturerHetai #ad
Part Number43235-14192

10. Ailinda

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Ailindany T-type Non-slip Double Universal Joint Spark Plug Handle Socket Wrench 5/8 Inch 16mm/13/16 Inch21mm Disassembly Installer

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Ailinda #ad - 360-degree rotating flexible head design internal rubber ring design, bring out the spark plug, the rubber ring can catch the spark plug, easy to use, after removing the spark plug, improve efficiency.

T-handle wrench with heat treated offers a firm non-slippery grip, makes spark plug removal/installation a breeze even for people with sweaty palms. Banada universal spark plug socket made of durable chrome vanadium steel, high hardness and anti-slip, can resist rust and corrosion with long use. Suitable models: General type. Durable and easy to use. Spark plug repair kit features a rubber insert to protect your spark plugs during removal/installation and offer 5/8 inch16mm and 13/16 inch 21mmoptions, can fit your car or motorcycle perfectly.
BrandAilinda #ad
ManufacturerAilinda #ad
ModelCMD-002